. was detained for nine hours london. white house officials said the obama administration had advance knowledge of the detention, but didn't order it. new try"there was a heads up that was provided by the british government umm so again this is something that we had an indication was likely to occur but it's not something we've requested and it's something that was done specifically by the british law enforcements there. heathrow airport, london's international air hub. security officials identify david miranda, a brazilian man on his way from berlin to rio de janeiro for hours with no explanation. "i remained in a room, there were six different agents coming and going, talking to me. they asked questions about my whole life, about everything. they took my computer, video game, mobile phone, my memory cards, everything." miranda's partner is reporter glenn greenwald. his paper first printed edward snowden's revelations about the nsa's widespread surveillance of cell phones, email and social media. today greenwald took aim at what he calls the abuse of britain's controversial anti=terrorism act.